Earth Sculpture; Or, The Origin of Land-forms |
From inside the book
Results 11-15 of 51
Page 73
... movement of elevation were slowly effected the sea would doubtless modify the land - surface as it arose , but for simplicity's sake we shall ignore such action , and suppose that the new - born land exists as an elongated island , the ...
... movement of elevation were slowly effected the sea would doubtless modify the land - surface as it arose , but for simplicity's sake we shall ignore such action , and suppose that the new - born land exists as an elongated island , the ...
Page 96
... are the result of horizontal , the latter of vertical movements of the crust . Reversed faults , therefore , are almost entirely restricted to regions QUINAIG TRACING LES BY DEPT . 3.8 CE VIRAL VYATT 96 EARTH SCULPTURE.
... are the result of horizontal , the latter of vertical movements of the crust . Reversed faults , therefore , are almost entirely restricted to regions QUINAIG TRACING LES BY DEPT . 3.8 CE VIRAL VYATT 96 EARTH SCULPTURE.
Page 98
... movement in one direction . This is shown by the manner in which most of the more closely compressed and steeper folds of a mountain - chain . tend to lean over one way . Under the influence of an irresistible horizontal thrust the ...
... movement in one direction . This is shown by the manner in which most of the more closely compressed and steeper folds of a mountain - chain . tend to lean over one way . Under the influence of an irresistible horizontal thrust the ...
Page 99
... movement , yet occasionally they are inclined in the opposite direction , thus giving rise to the well - known FIG 37. DIAGRAM OF MOUNTAIN FLEXURes . The arrow shows the direction of thrust . fan - structure seen in the anticlinal ...
... movement , yet occasionally they are inclined in the opposite direction , thus giving rise to the well - known FIG 37. DIAGRAM OF MOUNTAIN FLEXURes . The arrow shows the direction of thrust . fan - structure seen in the anticlinal ...
Page 101
... movement . How , then , will the elevation of the strata affect the sur- face ? Will the complex folding of the rocks give rise to similar intricate deformations of the surface ? This does not necessarily follow , for , were the move ...
... movement . How , then , will the elevation of the strata affect the sur- face ? Will the complex folding of the rocks give rise to similar intricate deformations of the surface ? This does not necessarily follow , for , were the move ...
Other editions - View all
Common terms and phrases
accumulation Alps anticlines basalt base-level basins become beds Carboniferous character cliffs coast-lines cones configuration Cretaceous crust crustal movements crystalline débris denudation deposits depressions depth detritus direction dislocations drainage elevation epigene action epigene agents eroded escarpments eventually feet fiords flexures flow fluvio-glacial deposits folds fracture gently geological structure glacial action glaciers gradually granite ground-moraines Highlands hills hollows horizontal strata ice-sheet igneous rocks inclined indented infrequently irregular islands joints Jura Mountains laccoliths lakes land land-forms land-surface lava less limestone low grounds masses materials Mesozoic modified moraines mountain-chain mountain-valleys mountains normal faults North Old Red Sandstone outcrops owe their origin Permian plain of erosion plateau regions relatively result ridges rock-basins rock-masses sand sandstones schistose schists Section sediment shales Silurian slopes Southern Uplands strata streams and rivers superficial surface surface-features synclinal tectonic tend thickness tion tracts traversed underground undulating usually valleys vertical volcanic